Oakley Hstn Sq sunglasses combine a squared silhouette with performance lens technology for clear, contrast-enhanced vision on bright days. Designed for everyday wear and outdoor sports, they pair a durable frame with secure nosepads for all‑day comfort. Key attributes: Blue | O‑Matter | Prizm lens technology for enhanced contrast | 100% UVA/UVB protection | Unobtainium nosepads for grip | Durable O‑Matter frame | Squared silhouette | Premium metal details | Modular color accents | Dimensions & fit: Lens width 54 mm | Frame width 133 mm | Regular fit | Universal bridge and nosepad | Composition & care: O‑Matter frame | Prizm lens | Unobtainium nosepads | Wipe lenses with a microfiber cloth; clean frame with mild soap and water; store in protective case.